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Amphenol

1,819 hedge funds and large institutions have $141B invested in Amphenol in 2025 Q3 according to their latest regulatory filings, with 282 funds opening new positions, 716 increasing their positions, 619 reducing their positions, and 85 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more call options, than puts

Call options by funds: $ | Put options by funds: $

more capital invested

Capital invested by funds: $ → $

more funds holding in top 10

Funds holding in top 10:

16% more repeat investments, than reductions

Existing positions increased: 716 | Existing positions reduced: 619

11% more funds holding

Funds holding: 1,6411,819 (+178)

2.89% less ownership

Funds ownership: 96.13%93.24% (-2.9%)

Holders
1,819
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
92
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$764M
Puts
$539M
Net Calls
Net Calls Change

Top Buyers

1 +$1.61B
2 +$880M
3 +$698M
4
BlackRock
BlackRock
New York
+$690M
5
Winslow Capital Management
Winslow Capital Management
Minnesota
+$486M

Top Sellers

1 -$1.68B
2 -$1.04B
3 -$971M
4
Bank of New York Mellon
Bank of New York Mellon
New York
-$469M
5
D.E. Shaw & Co
D.E. Shaw & Co
New York
-$265M
Name Holding Trade Value Shares
Change
Change in
Stake
MAM
676
Martingale Asset Management
Massachusetts
$4.27M
CL
677
Choreo LLC
Illinois
$4.26M
Capital Fund Management (CFM)
678
Capital Fund Management (CFM)
France
$4.2M
LCM
679
Legato Capital Management
California
$4.18M
MLL
680
Moody Lynn & Lieberson
Massachusetts
$4.17M
ISL
681
Ingalls & Snyder LLC
New York
$4.17M
TNA
682
True North Advisors
Texas
$4.15M
A
683
Argentarii
Ohio
$4.1M
FHWM
684
Fox Hill Wealth Management
Massachusetts
$4.09M
MPA
685
Marvin & Palmer Associates
Delaware
$4.08M
MSA
686
MUFG Securities Americas
New York
$4.07M
Squarepoint
687
Squarepoint
New York
$4.03M
Connor, Clark & Lunn Investment Management (CC&L)
688
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$4.02M
EHWM
689
Eads & Heald Wealth Management
Georgia
$4.01M
MFIM
690
Mesirow Financial Investment Management
Illinois
$4M
CCM
691
Cox Capital Management
Massachusetts
$4M
OCM
692
Oribel Capital Management
New York
$3.98M
BFG
693
Bleakley Financial Group
New Jersey
$3.96M
CCM
694
Coldstream Capital Management
Washington
$3.93M
KRSITF
695
Kentucky Retirement Systems Insurance Trust Fund
Kentucky
$3.93M
FFG
696
Fortem Financial Group
California
$3.91M
Walleye Trading
697
Walleye Trading
New York
$3.9M
PMWMG
698
Parr McKnight Wealth Management Group
Minnesota
$3.89M
EC
699
Estate Counselors
Wisconsin
$3.83M
GC
700
Guggenheim Capital
Illinois
$3.82M